{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Anatomy"], "input": "We determined that lacZ was uniformly expressed in the endothelium of transgenic embryos but was markedly downregulated postnatally ."}
{"Anatomy": ["endothelium", "embryos"]}